According to Nielsen Media Research, the fight between Gennady Golovkin and Vanes Martirosyan on May 5 in Carson, California, which was broadcast by HBO, gathered 1.3 million viewers, even though its beginning for the East coast was after midnight and that it lasted less than two rounds.
Thus, the fight between Golovkin and Martirosyan became the most rating event on cable channels in 2018. Prior to this, the most popular event was a fight between Deontay Wilder and Luis Ortiz in March, which was broadcasted by Showtime and gathered 1.1 million viewers.